题解 | #表示数字#

import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNext()) {
String input = scanner.next();
System.out.println(input.replaceAll("([0-9]+)", "$1")); //把所有的数字段提取出来，前后加上星号再放回去
}
}
}